package cn.edu.scau.cmi.dengzejun.chapter05;

public class Example5_9 {
	public static void main(String agrs[]) {
		Circle circle =new Circle();
		circle.SetRadius(196.87);
		Tixing lader=new Tixing(3,21,9);
		People marisa=new People();
		System.out.println("Marisa calculate the area of the circle");
		System.out.println(marisa.ComputerArea(circle));
		System.out.println("Marisa calculate the area of the lader");
		System.out.println(marisa.ComputerArea(lader));
		return;
	}
}
